The "Automated Targeting System" (ATS) is one of the largest of post-9/11 warrantless dragnet surveillance programs. Built at a cost of more than $2 billion in government-mandated changes to commercial travel IT systems, to which DHS now has root access, ATS "ingests," archives, and mines complete mirror copies of all international airline reservations ("passenger name record") data for travel to, from, or via the USA. ATS records include where, when, and with whom you travelled; your IP address; what credit card was used; whether you asked for a kosher or halal meal; and whether you and your travelling companion asked for one bed or two in your shared hotel room.

While little known or debated in the USA, ATS has been at the center of intense disputes with the European Union and Canada over US demands for access to travel reservation data from other countries.

The discussion will be moderated by Rachel Levinson-Waldman, Counsel, Liberty and National Security Program, The Brennan Center for Justice at NYU School of Law.

The event is free and open to the press and the public, but please RSVP by e-mail to "jafreen.uddin@nyu.edu"Â or by phone to +1-646-292-8345, as space is limited.

"Congress shall make no law ... abridging ... the right of the people peaceably to assemble." (U.S. Constitution)

"Everyone has the right to freedom of movement and residence within the borders of each state. Everyone has the right to leave any country, including his own, and to return to his country." (Universal Declaration of Human Rights)

"Liberty of movement is an indispensable condition for the free development of a person." (United Nations Human Rights Committee)